CompoundList

Thorium-226

Also known as 226Th radioisotope, Th-226 radioisotope, 226Th isotope

CAS 15571-75-2Formula ThMolar mass 226.02 g/mol
Element with atomic number and standard atomic weight

Key facts

What buyers check first

CAS number
15571-75-2
Formula
Th
Molar mass
226.02 g/mol
HS code
284443
Category
Metals, alloys and elements

What is Thorium-226?

Plain description, key identifiers and synonyms

Thorium-226 is a chemical substance with the molecular formula Th and a molar mass of 226.02 g/mol. Its CAS registry number is 15571-75-2.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
thorium-226
CAS number
15571-75-2 CAS number cross-checked
Molecular formula
Th
InChIKey
ZSLUVFAKFWKJRC-VENIDDJXSA-N
InChI
InChI=1S/Th/i1-6
Canonical SMILES
[Th]
Isomeric SMILES
[226Th]

Synonyms

  • 226Th radioisotope
  • Th-226 radioisotope
  • 226Th isotope
  • Isotope:226Th
  • 226Th (isotope)
  • Thorium-226 isotope
  • Isotope:Thorium-226
  • (~226~Th)Thorium
  • 226Th
  • Thorium, isotope of mass 226

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
226.02 g/molcalc.
Exact mass
226.0249 Dacalc.
LogP (octanol/water)
0calc.
Topological polar surface area
0 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
0calc.
Rotatable bonds
0calc.
Heavy atoms
1calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0calc.
Formal charge
0calc.
Stereocentres
0calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Thorium-226 suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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Thorium-226 price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Regulatory status

Inventories, regulations and trade controls that list this substance

No regulatory list memberships are recorded for this substance yet. Always check the rules of the importing and exporting country before trade.

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Thorium-226 is traded under.

HS 2844.43Indicative HS code

Radioactive elements and isotopes and compounds other than those of subheading 284410…

World exports in 2024
$2.19B
+8.8% vs 2023, imports $2.53B
2022 to 2024
Top exporters
  1. Canada32.1%
  2. Netherlands17.0%
  3. Germany11.4%
Top importers
  1. United States37.8%
  2. Germany8.4%
  3. China5.8%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Thorium-226 is indicative (it is known at chapter level only). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Thorium-226, based on the data on this page

What is Thorium-226?

Thorium-226 is a chemical substance with the molecular formula Th and a molar mass of 226.02 g/mol. Its CAS registry number is 15571-75-2.

What is the CAS number of Thorium-226?

The CAS registry number of Thorium-226 is 15571-75-2.

What is the molecular formula and weight of Thorium-226?

The molecular formula of Thorium-226 is Th and its molar mass is 226.02 g/mol.

What is Thorium-226 used for?

Known uses and roles of Thorium-226 include isotope-labelled compounds in research and laboratory.

Is Thorium-226 hazardous?

No GHS hazard classification for Thorium-226 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Thorium-226?

Thorium-226 is usually classified under HS code 284443 (Radioactive elements and isotopes and compounds other than those of subheading 284410…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Thorium-226?

Post a free request on CompoundList and suppliers of Thorium-226 will send you quotes. Your contact details stay private until you accept a quote.

What is the price of Thorium-226?

Suppliers quote Thorium-226 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Thorium-226

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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